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Clever cutter / stationery

Clever cutter
Clever cutter

How to cut a straight line ? Traditionally, we may need a ruler as a auxiliary tool ,in the meantime,we can not cut a too long straight line because the length of the ruler is limited .How ever,now we can through the ruler away,because this clever cutter can make it all by itself.We can use it as an normal paper knief,moreover, when we want to cut a straight line,what we just need to do is to swatch the cylinder on the bottom 90° ,so that the cylinder can led the knief run on a straight line.Now you can cut a straight line as long as you want without a ruler.

University

Beijing Institute of Technology

Beijing Institute of Technology
BeiJing, China

Design

Beijing Institute of Technology

Beijing Institute of Technology
BeiJing, China

WangChunyang